Keratosis is a term sometimes used to describe an overgrowth of certain skin cells. These cells come from the top keratin based layer of your skin in the epidermis.

Such growths occur in many shapes, sizes, and colors. They can be on any part of the body.

They are mainly divided as Actinic or Seborrheic, but other types also exist.

Seborrheic Keratosis is a presentation that is often benign but can become irritated, inflamed, or undergo other changes that should be examined by a physician. These can have strange shapes and colors. The can be very large and often continue to multiply and spread. Most people find them cosmetically unappealing.

Actinic Keratosis are often related to sun exposure and indicate a potential risk for skin cancer. These can be red, rough, and even bleed. If untreated they can grow and become a serious concern.

Most keratosis are easily treated when addressed early.

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